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  4. On optical quantification of cavitation properties
 
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2012
Conference Paper
Title

On optical quantification of cavitation properties

Abstract
This paper investigates quantitative cavitation characterization. In this context we propose shadow imaging to determine cavitation thickness and tip vortex volume. We propose a laser adjustment for absolute calibration and address cavitation extent by means of image processing. We present advantages and disadvantages of automatic processing with regard to our proposed techniques. Our main focus is on the novel cavitation thickness and tip vortex occurrence processing. Due to turbulent fluctuations all used techniques provide statistical results. The accuracy of single measurements mainly depends on camera resolution, aberrations in the optical path, illumination and optical access.
Author(s)
Borchert, Stefan
Univ. Rostock
Kröger, Willfried
Univ. Rostock
Höhne, Stephan
Univ. Rostock
Damaschke, Nils Andreas
Univ. Rostock
Zhou, Zhiliang
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Mainwork
8th International Symposium on Cavitation, CAV 2012. Proceedings  
Conference
International Symposium on Cavitation (CAV) 2012  
DOI
10.3850/978-981-07-2826-7_174
Language
English
Fraunhofer-Institut für Graphische Datenverarbeitung IGD  
Keyword(s)
  • measurement

  • image segmentation

  • image processing

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